34657480 has 128 divisors (see below), whose sum is σ = 93985920. Its totient is φ = 11335680.

The previous prime is 34657477. The next prime is 34657489. The reversal of 34657480 is 8475643.

It is a super-2 number, since 2×34657480² = 2402281839900800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34657489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417519 + ... + 417601.

It is an arithmetic number, because the mean of its divisors is an integer number (734265).

Almost surely, 2^34657480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34657480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46992960).

34657480 is an abundant number, since it is smaller than the sum of its proper divisors (59328440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34657480 is a wasteful number, since it uses less digits than its factorization.

34657480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 34657480 is about 5887.0603869843. The cubic root of 34657480 is about 326.0360781580.

The spelling of 34657480 in words is "thirty-four million, six hundred fifty-seven thousand, four hundred eighty".